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Description

USA UNS T20810 Alloy tool steel and T20810 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: T20810
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy T20810 UNS USA Alloy tool steel
UNS T72301
W1-C
W2-A
UNS T72302
W2-C
W5
T72305
H10
H11
T20811

Chemical composition(mass fraction)(wt.%) of the T20810

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%) V(%)
0.35~0.45 0.80~1.20 0.25~0.70 ≤0.030 ≤0.030 3.00~3.75 2.00~3.00 0.25~0.75

Mechanical Properties of steel grade T20810

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
542 (≥) 891 (≥) 41 32 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade T20810

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
24 - -     0.33 -  
437 964 - 21.3 134   -  
435 - 21 43.2   333 324

Heat Treatment of steel grade T20810

Heat treated : 1387°C - 1346°C

Technological Curves of steel grade T20810

Cross Reference Table (Equivalent Grade) of T20810

Grade Standard Country Application
T20810 UNS USA Alloy tool steel

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